Mobile EMA-based Peer Counselling for Youth Smokers

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

ACTIVE_NOT_RECRUITING

Clinical Phase

NA

Total Enrollment

105 participants

Study Classification

INTERVENTIONAL

Study Start Date

2023-05-18

Study Completion Date

2024-10-31

Brief Summary

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This pilot trial aims to examine the feasibility, acceptability, and preliminary effectiveness of EMA-based peer counseling for youth smokers.

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Detailed Description

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Most smokers begin smoking during adolescence and early adulthood, a crucial period to prevent initiation and continuation of smoking. However, many proven smoking cessation interventions for adult smokers were not found effective in youth smokers, which may be partly explained by the vast differences in the pattern of tobacco use and determinants of quitting between adult and youth smokers. This calls for more research on novel intervention models to help young smokers quit.

The HKU Youth Quitline provides free smoking cessation support for smokers aged below 25 years since August 2005 in Hong Kong. The service provides multisession peer-led telephone counselling with an individualised quit plan devised for each young smoker according to their responses. Since the counselling model depends on the information retrospectively recalled by the smokers, it may be prone to recall and social desirability biases and fail to capture the variability of youth smoking patterns and momentary changes in personal (e.g., mood) and situational (e.g., peer smoking) antecedents of smoking episodes.

Recent advances in mobile technologies have enabled the use of more advanced and robust data collection approaches like ecological momentary assessment (EMA), which may benefit the counselling model by providing more ecologically valid data than traditional surveys. Previous studies have demonstrated the feasibility of using EMA to collect data on psychosocial processes and smoking behaviours in adolescent smokers. Therefore, we propose to develop and test a mobile EMA-based counselling intervention for youth smokers by conducting a pilot RCT.

Conditions

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Smoking Cessation

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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EMA+ group

EMA assessment + EMA-based cessation counselling

Group Type EXPERIMENTAL

EMA assessment

Intervention Type BEHAVIORAL

Subjects will be asked to complete 3 waves of ecological momentary assessment (EMA) about smoking cues and smoking consumption via mobile phone at the first, second and third month after baseline (total 6 weeks)

EMA-based cessation counselling

Intervention Type BEHAVIORAL

Subjects will receive tailored peer counselling based on the participants' EMA responses at 1-month and 3-month telephone follow-ups.

EMA group

EMA assessment only + Usual peer counselling

Group Type ACTIVE_COMPARATOR

EMA assessment

Intervention Type BEHAVIORAL

Subjects will be asked to complete 3 waves of ecological momentary assessment (EMA) about smoking cues and smoking consumption via mobile phone at the first, second and third month after baseline (total 6 weeks)

Usual peer counselling

Intervention Type BEHAVIORAL

Subjects will receive peer counselling through telephone during follow-ups (usual care), in which the counsellor will apply the 5As model and motivational interviewing techniques.

Control

Usual peer counselling

Group Type ACTIVE_COMPARATOR

Usual peer counselling

Intervention Type BEHAVIORAL

Subjects will receive peer counselling through telephone during follow-ups (usual care), in which the counsellor will apply the 5As model and motivational interviewing techniques.

Interventions

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EMA assessment

Subjects will be asked to complete 3 waves of ecological momentary assessment (EMA) about smoking cues and smoking consumption via mobile phone at the first, second and third month after baseline (total 6 weeks)

Intervention Type BEHAVIORAL

EMA-based cessation counselling

Subjects will receive tailored peer counselling based on the participants' EMA responses at 1-month and 3-month telephone follow-ups.

Intervention Type BEHAVIORAL

Usual peer counselling

Subjects will receive peer counselling through telephone during follow-ups (usual care), in which the counsellor will apply the 5As model and motivational interviewing techniques.

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

1. Age between 15 to 25 years
2. Have smoked in the past 30 days
3. Own a smartphone with an mobile instant messaging app installed
4. Can communicate in Chinese